https://blog.wongcw.com/2019/07/03/iepl%e3%80%81iplc%e8%a9%b3%e7%b4%b0%e4%bb%8b%e7%b4%b9%e5%8f%8a%e5%8d%80%e5%88%a5/
IEPL、IPLC詳細介紹及區別